# \[SOLVED 2/14/24 4:35 AM EDT\] Logic about exist or not exist blocks

**URL:** <https://community.thunkable.com/t/solved-2-14-24-4-35-am-edt-logic-about-exist-or-not-exist-blocks/2833539>\
**Category:** Questions about Thunkable X\
**Tags:** beginner\
**Created:** [February 14, 2024, 8:53am UTC](https://community.thunkable.com/t/solved-2-14-24-4-35-am-edt-logic-about-exist-or-not-exist-blocks/2833539 "2024-02-14T08:53:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![samyt3475q](https://avatars.discourse-cdn.com/v4/letter/s/bb73d2/32.png) [@samyt3475q](https://community.thunkable.com/u/samyt3475q)\
**Post date:** [February 14, 2024, 8:53am UTC](https://community.thunkable.com/t/solved-2-14-24-4-35-am-edt-logic-about-exist-or-not-exist-blocks/2833539/1 "2024-02-14T08:53:39Z")

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how to create a logic about if a value (can be a series of integer or string) with exact character, can be determine whether it is exist or not exist? thank you

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**Author:** ![Goldking](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/goldking/32/165073_2.png) [@Goldking](https://community.thunkable.com/u/Goldking)\
**Post date:** [February 14, 2024, 9:29am UTC](https://community.thunkable.com/t/solved-2-14-24-4-35-am-edt-logic-about-exist-or-not-exist-blocks/2833539/2 "2024-02-14T09:29:04Z")

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Hi, where and how you store this value?  
There is logic block **" = "** or text block **contain** or list block **does list contain**

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**Author:** ![samyt3475q](https://avatars.discourse-cdn.com/v4/letter/s/bb73d2/32.png) [@samyt3475q](https://community.thunkable.com/u/samyt3475q)\
**Post date:** [February 14, 2024, 9:35am UTC](https://community.thunkable.com/t/solved-2-14-24-4-35-am-edt-logic-about-exist-or-not-exist-blocks/2833539/3 "2024-02-14T09:35:50Z")

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oh ye, okeay2, thank you

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**Author:** ![system](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/f/0f59f292712368bce16ff80133ae10de8a6f27e8.png) [@system](https://community.thunkable.com/u/system)\
**Post date:** [May 14, 2024, 9:36am UTC](https://community.thunkable.com/t/solved-2-14-24-4-35-am-edt-logic-about-exist-or-not-exist-blocks/2833539/4 "2024-05-14T09:36:30Z")

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